Recent activity by MarlaColes2

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What are the products formed in the reaction between sulfuric acid and potassium hydroxide? Write the balanced chemical equation for the reaction and predict whether it is an exothermic or endothermic process.

answered Feb 22 in Inorganic Chemistry

1 answer 28 views

How does the rate of reaction affect the safety of chemical reactions in the production of hydrogen gas?

asked Feb 22 in Chemical kinetics

1 answer 31 views

How does the rate of a photochemical reaction change with varying pH values? Provide experimental evidence to support your answer.

asked Feb 22 in PhotoChemistry

1 answer 24 views

How does the process of RNA polymerase binding to a promoter sequence on DNA impact the order of amino acids in a resulting protein during translation?

answered Feb 22 in BioChemistry

1 answer 27 views

What is the pKa value of acetic acid? Give a detailed explanation of the factors that affect the acidity of organic compounds with the help of acetic acid as an example.

asked Feb 22 in Organic Chemistry

1 answer 33 views

What is the optimal reaction conditions and catalyst for the synthesis of high molecular weight polystyrene with a desired molecular weight range of 100,000-500,000 g/mol from styrene monomer?

answered Feb 21 in Chemical synthesis

1 answer 24 views

How does the magnitude of zeta potential affect the stability of a colloidal system and how can it be manipulated to control flocculation?

asked Feb 20 in Surface Chemistry

1 answer 30 views

How does the coordination chemistry of chelating agents influence their effectiveness in chelation therapy for heavy metal poisoning?

answered Feb 19 in Coordination Chemistry

1 answer 43 views

What is the chemical composition and source of microplastics found in the stomach contents of marine organisms in a specific coastal region, and how does this pollution affect the organism's digestive system, metabolism, and overall health?

answered Feb 18 in Environmental Chemistry

1 answer 38 views

What is the best protecting group for the hydroxyl group in a molecule containing both alcohol and carboxylic acid functionalities that needs to undergo selective chemical modification of only one of these functionalities, and why?

asked Feb 17 in Organic Chemistry

1 answer 29 views

How does the addition of titanium affect the mechanical properties of nickel-based superalloys for use in high-temperature aerospace applications?

answered Feb 17 in Materials Chemistry

1 answer 33 views

What key events in the history and evolution of chemistry have led to the modern understanding of atomic theory, and how do these historical discoveries relate to current applications in fields such as nuclear energy and nanotechnology?

answered Feb 14 in Chemical education

1 answer 34 views

What is the predicted boiling point of a substance that has predominantly London dispersion forces and exhibits a molar mass of 120 g/mol?

asked Feb 14 in Chemical bonding

1 answer 37 views

What is the effect of molecular chirality on the absorption and emission of light by chiral molecules?

answered Feb 13 in PhotoChemistry

1 answer 42 views

How do different types of microplastics affect the health of marine organisms and what are the mechanisms by which these negative impacts occur?

asked Feb 13 in Environmental Chemistry

1 answer 58 views

What is the role of metal ions in determining the electronic properties and reactivity of metalloporphyrins and metallophthalocyanines? Provide specific examples of metal ions and their effects on the properties of these compounds.

answered Feb 13 in Coordination Chemistry

1 answer 83 views

How do different types and concentrations of pollutants in water affect the growth rate and survival of aquatic organisms such as fish and plants, and what can be done to mitigate these effects?

asked Feb 12 in Environmental Chemistry

1 answer 32 views

How can the design of a production system for lubricants in a chemical engineering plant be optimized to increase the efficiency of the process and minimize negative environmental impacts?

answered Feb 7 in Chemical engineering

1 answer 54 views

How can inadequate training for chemistry teachers affect students' learning outcomes and their interest in pursuing further education or careers in chemistry-related fields?

asked Feb 5 in Chemical education

1 answer 78 views

Design a chemical reactor that can produce 100 kg of ammonia per hour using the Haber Process, given the following parameters: - Temperature: 450°C- Pressure: 200 atm- Catalysts: Magnetite and Alumina- Reactants: Nitrogen and Hydrogen at a 3:1 molar ratio.

asked Feb 3 in Chemical engineering

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